Answer:· Russell-Silver syndrome (RSS) is a rare condition associated with poor growth both before and after birth.
Attention-deficit/hyperactivity disorder (ADHD) is a brain disorder marked by an ongoing pattern of inattention and/or hyperactivity-impulsivity that interferes with functioning or development.
The status of the elderly in the US hasn't changed that much compared to traditional societies because they both have lowered the status of the elderly in their societies. Lives are happier in modern society because people have medical care that they didn't have access to before
